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    • 1. 发明授权
    • Silica particles surface-treated with silane, process for producing the same and uses thereof
    • 用硅烷表面处理的二氧化硅颗粒,其制造方法及其用途
    • US06521290B1
    • 2003-02-18
    • US09312054
    • 1999-05-17
    • Muneo KudoShoji IchinoheAtsushi AsamiMitsuo AsaiKazuyuki MatsumuraMasaki Tanaka
    • Muneo KudoShoji IchinoheAtsushi AsamiMitsuo AsaiKazuyuki MatsumuraMasaki Tanaka
    • B05D700
    • C08K9/06
    • Fine silica particles surface-treated with a silane and having primary particles having a particle diameter of from 0.01 to 5 &mgr;m, which fine silica particles fulfill the following conditions (i) and (ii), a process for their production and an organic resin composition containing such particles as a component are provided. (i) When an organic compound which is liquid at room temperature and has a dielectric constant of from 1 to 40 F/m and fine silica particles are mixed in a weight ratio of 5:1 and shaked, the fine silica particles disperse uniformly in the organic compound, and (ii) the quantity of primary particles remaining as primary particles when methanol is evaporated under heating by means of an evaporator from a dispersion prepared by dispersing the fine silica particles in methanol and thereafter the particles are held at a temperature of 100° C. for 2 hours, is in a percentage of at least 20% based on the quantity of primary particles originally present. The present fine silica particles are highly dispersible and low aggregative, and the organic resin composition containing them is useful for obtaining films having a good transparency and superior blocking resistance, slip properties and scratch resistance.
    • 二氧化硅微粒用硅烷表面处理,具有粒径为0.01〜5μm的一次粒子,二氧化硅微粒满足下述条件(i)和(ii),其制造方法和有机树脂组合物 提供含有作为组分的颗粒。 (i)当室温下介电常数为1〜40F / m的有机化合物和二氧化硅微粒以5:1的重量比混合并摇动时,二氧化硅微粒分散在 有机化合物,和(ii)当通过蒸发器从通过将二氧化硅微粒分散在甲醇中制备的分散体在蒸发器中加热蒸发甲醇时剩余的一次颗粒的量,然后将颗粒保持在 100℃,2小时,以原始存在的一次粒子的量为至少20%的百分比。 本发明的二氧化硅微粒高分散性和低聚集性,含有它们的有机树脂组合物可用于获得具有良好透明性和优异的抗粘连性,滑爽性和耐划伤性的膜。
    • 4. 发明授权
    • Silica particles surface-treated with silane, process for producing the same and uses thereof
    • 用硅烷表面处理的二氧化硅颗粒,其制造方法及其用途
    • US06855759B2
    • 2005-02-15
    • US10284149
    • 2002-10-31
    • Muneo KudoShoji IchinoheAtsushi AsamiMitsuo AsaiKazuyuki MatsumuraMasaki Tanaka
    • Muneo KudoShoji IchinoheAtsushi AsamiMitsuo AsaiKazuyuki MatsumuraMasaki Tanaka
    • C08K9/06C08K5/24
    • C08K9/06
    • Fine silica particles surface-treated with a silane and having primary particles having a particle diameter of from 0.01 to 5 μm, which fine silica particles fulfill the following conditions (i) and (ii), a process for their production and an organic resin composition containing such particles as a component are provided. (i) When an organic compound which is liquid at room temperature and has a dielectric constant of from 1 to 40 F/m and fine silica particles are mixed in a weight ratio of 5:1 and shaked, the fine silica particles disperse uniformly in the organic compound, and (ii) the quantity of primary particles remaining as primary particles when methanol is evaporated under heating by means of an evaporator from a dispersion prepared by dispersing the fine silica particles in methanol and thereafter the particles are held at a temperature of 100° C. for 2 hours, is in a percentage of at least 20% based on the quantity of primary particles originally present. The present fine silica particles are highly dispersible and low aggregative, and the organic resin composition containing them is useful for obtaining films having a good transparency and superior blocking resistance, slip properties and scratch resistance.
    • 二氧化硅微粒用硅烷表面处理,具有粒径为0.01〜5μm的一次粒子,二氧化硅微粒满足下述条件(i)和(ii),其制造方法和有机树脂组合物 提供含有作为组分的颗粒。 (i)当室温下介电常数为1〜40F / m的有机化合物和二氧化硅微粒以5:1的重量比混合并摇动时,二氧化硅微粒分散在 有机化合物,和(ii)当通过蒸发器从通过将二氧化硅微粒分散在甲醇中制备的分散体在蒸发器中加热蒸发甲醇时剩余的一次颗粒的量,然后将颗粒保持在 100℃,2小时,以原始存在的一次粒子的量为至少20%的百分比。 本发明的二氧化硅微粒高分散性和低聚集性,含有它们的有机树脂组合物可用于获得具有良好透明性和优异的抗粘连性,滑爽性和耐划伤性的膜。